<div class="app">
  <div class="app-header">
    <div class="logo">欧尚家居</div>
  </div>
  <div class="app-body">
    <div class="app-side">
      <div class="app-menu">
        <a class="menu-item" routerLink="/order">
          <span title><i nz-icon type="user"></i>
            下单
          </span>
        </a>
      </div>
    </div>
    <div class="app-content">
      <div class="app-content-inner">
        <router-outlet></router-outlet>
      </div>
    </div>
  </div>
</div>